Breast pump



FIG. 1 is a front elevational view of a breast pump showing my newdesign;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a right side perspective view thereof; and,

FIG. 7 is a top perspective view thereof.

CLAIM The ornamental design for a breast pump, as shown and described.